Ecotoxicity of TiO2, cerium and zirconium doped TiO2 photocatalysts prepared by different preparation methods and using different titanium precursors

光催化 辛那皮斯 材料科学 核化学 二氧化钛 化学 冶金 有机化学 植物 生物 催化作用 芸苔属
作者
Lenka Matějová,Ivana Troppová,Zuzana Jankovská,Hana Sezimová,Jan Endres,Pavlína Peikertová,Monica Marcela Gomez Leon
出处
期刊:Surfaces and Interfaces [Elsevier]
卷期号:38: 102762-102762 被引量:6
标识
DOI:10.1016/j.surfin.2023.102762
摘要

Ecotoxicological effects of manufactured TiO2, cerium doped TiO2 and zirconium doped TiO2 prepared by different chemical methods and using different chemical precursors were evaluated, since these nanomaterials are keenly investigated semiconductor photocatalysts for waste and drinking water and waste gas purification in last three decades. Acute biological toxicity of manufactured photocatalysts was evaluated based on Sinapis alba seeds germination and Lemna minor fronds growth tests, and was compared to commercial photocatalyst TiO2 Degussa P25. Toxicity tests exhibited good sensitivity for monitoring of the toxicity of investigated nanomaterials. TiO2 toxicity results demonstrate that TiO2 prepared using titanyl sulphate as a Ti precursor are toxic to both plant species contrary to TiO2 prepared using titanium (IV) isopropoxide. Cerium doped TiO2 with Ce amount <5.5 wt.% proved to be non-toxic to both plant species and zirconium doped TiO2 even stimulates both plant species growth. Small crystallite-size and high surface area are not the toxicity-determining factors. In case of TiO2 prepared by using titanyl sulphate (TiO2-TH-C, TiO2-TH-PW), the chemical issues, i.e. the huge release of Ti4+ ions to nutrient aqueous solutions from TiO2 photocatalysts and the presence of SO42− onto TiO2 photocatalyst surfaces were identified. The presence of SO42− was identified as the chemical cause of TiO2 toxicity to both Lemna minor fronds and Sinapis alba seeds. High toxicity of Ce0.05Ti0.95On photocatalyst to Sinapis alba seeds was attributed to high content of cerium (∼9 wt.%) in TiO2 which led to formation of CeO2 of nuclei-size.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
大幅提高文件上传限制,最高150M (2024-4-1)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
2秒前
yym完成签到,获得积分10
5秒前
draven007发布了新的文献求助10
5秒前
CC关闭了CC文献求助
5秒前
lanjiu完成签到,获得积分10
6秒前
姚盈盈发布了新的文献求助10
7秒前
Lucas应助耍酷海白采纳,获得10
8秒前
lanjiu发布了新的文献求助10
8秒前
科研通AI2S应助小科采纳,获得10
8秒前
Johnson完成签到 ,获得积分10
9秒前
10秒前
不配.应助科研小白采纳,获得10
11秒前
淘宝叮咚完成签到,获得积分10
12秒前
再现完成签到,获得积分10
13秒前
14秒前
NexusExplorer应助小生采纳,获得10
15秒前
16秒前
啾啾发布了新的文献求助10
17秒前
jiayourui完成签到,获得积分10
19秒前
19秒前
20秒前
C_Li完成签到 ,获得积分10
20秒前
mascot0111完成签到,获得积分10
21秒前
pear发布了新的文献求助20
21秒前
21秒前
21秒前
23秒前
都是完成签到,获得积分10
23秒前
24秒前
yrheong发布了新的文献求助10
24秒前
完美世界应助狂野大雄鹰采纳,获得10
24秒前
脑洞疼应助啾啾采纳,获得10
25秒前
25秒前
26秒前
都是发布了新的文献求助10
26秒前
所所应助小贾爱喝冰美式采纳,获得10
26秒前
Xiong发布了新的文献求助10
27秒前
领导范儿应助draven007采纳,获得10
27秒前
薛雨佳发布了新的文献求助10
28秒前
28秒前
高分求助中
Spray / Wall-interaction Modelling by Dimensionless Data Analysis 2000
ALA生合成不全マウスでの糖代謝異常の分子機構解析 520
Mathematics and Finite Element Discretizations of Incompressible Navier—Stokes Flows 500
A new species of Coccus (Homoptera: Coccoidea) from Malawi 500
2-Acetyl-1-pyrroline: an important aroma component of cooked rice 500
A real-time energy management strategy based on fuzzy control and ECMS for PHEVs 400
Handbook on People's China (1957) 400
热门求助领域 (近24小时)
化学 医学 生物 材料科学 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 基因 遗传学 催化作用 物理化学 免疫学 量子力学 细胞生物学
热门帖子
关注 科研通微信公众号,转发送积分 3189221
求助须知:如何正确求助?哪些是违规求助? 2838662
关于积分的说明 8020607
捐赠科研通 2501498
什么是DOI,文献DOI怎么找? 1335586
科研通“疑难数据库(出版商)”最低求助积分说明 637661
邀请新用户注册赠送积分活动 605706